PLATE TECTONICS
Across
- 4. A long, deep channel or depression
- 5. Moving in opposite directions
- 7. Moving toward each other
- 8. Structure and movement of the crust
- 9. Hot, fluid material under the Earth's surface
Down
- 1. Rock that moves over the mantle
- 2. Line that marks limits of an area
- 3. Moving under another plate
- 4. Moving past each other
- 6. A long, narrow mountain range